mandoc/main.c - diff

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Up to [cvsweb.bsd.lv] / mandoc

Diff for /mandoc/main.c between version 1.312 and 1.333

version 1.312, 2018/12/14 01:18:25

version 1.333, 2019/07/26 18:01:43

Line 1

/* $Id$ */

* Permission to use, copy, modify, and distribute this software for any

Line 21

#include <sys/types.h>

#include <sys/ioctl.h>

#include <sys/param.h> /* MACHINE */

#include <sys/termios.h>

#include <sys/stat.h>

#include <sys/wait.h>

#include <assert.h>

Line 40

#include <stdint.h>

#include <stdlib.h>

#include <string.h>

#include <termios.h>

#include <time.h>

#include <unistd.h>

Line 97 static int fs_lookup(const struct manpaths *,

Line 98 static int fs_lookup(const struct manpaths *,

static int fs_search(const struct mansearch *,

const struct manpaths *, int, char**,

struct manpage **, size_t *);

static int koptions(int *, char *);

static void moptions(int *, char *);

static void outdata_alloc(struct curparse *);

static void parse(struct curparse *, int, const char *);

static void passthrough(const char *, int, int);

static void passthrough(int, int);

static void run_pager(struct tag_files *);

static pid_t spawn_pager(struct tag_files *);

static int toptions(struct curparse *, char *);

static void usage(enum argmode) __attribute__((__noreturn__));

static int woptions(struct curparse *, char *);

Line 123 main(int argc, char *argv[])

Line 122 main(int argc, char *argv[])

struct manpage *res, *resp;

const char *progname, *sec, *thisarg;

char *conf_file, *defpaths, *auxpaths;

char *oarg;

char *oarg, *tagarg;

unsigned char *uc;

size_t i, sz;

size_t i, sz, ssz;

int prio, best_prio;

enum outmode outmode;

int fd, startdir;

int show_usage;

int options;

int use_pager;

int status, signum;

int c;

pid_t pager_pid, tc_pgid, man_pgid, pid;

#if HAVE_PROGNAME

progname = getprogname();

Line 148 main(int argc, char *argv[])

Line 145 main(int argc, char *argv[])

setprogname(progname);

#endif

mandoc_msg_setoutfile(stderr);

if (strncmp(progname, "mandocdb", 8) == 0 ||

strcmp(progname, BINM_MAKEWHATIS) == 0)

return mandocdb(argc, argv);

#if HAVE_PLEDGE

if (pledge("stdio rpath tmppath tty proc exec", NULL) == -1)

if (pledge("stdio rpath tmppath tty proc exec", NULL) == -1) {

err((int)MANDOCLEVEL_SYSERR, "pledge");

mandoc_msg(MANDOCERR_PLEDGE, 0, 0, "%s", strerror(errno));

return mandoc_msg_getrc();

}

#endif

#if HAVE_SANDBOX_INIT

if (sandbox_init(kSBXProfileNoInternet, SANDBOX_NAMED, NULL) == -1)

errx((int)MANDOCLEVEL_SYSERR, "sandbox_init");

Line 220 main(int argc, char *argv[])

Line 219 main(int argc, char *argv[])

outmode = OUTMODE_ALL;

break;

case 'I':

if (strncmp(optarg, "os=", 3)) {

if (strncmp(optarg, "os=", 3) != 0) {

warnx("-I %s: Bad argument", optarg);

mandoc_msg(MANDOCERR_BADARG_BAD, 0, 0,

return (int)MANDOCLEVEL_BADARG;

"-I %s", optarg);

return mandoc_msg_getrc();

}

if (curp.os_s != NULL) {

warnx("-I %s: Duplicate argument", optarg);

mandoc_msg(MANDOCERR_BADARG_DUPE, 0, 0,

return (int)MANDOCLEVEL_BADARG;

"-I %s", optarg);

return mandoc_msg_getrc();

}

curp.os_s = mandoc_strdup(optarg + 3);

break;

case 'K':

if ( ! koptions(&options, optarg))

options &= ~(MPARSE_UTF8 | MPARSE_LATIN1);

return (int)MANDOCLEVEL_BADARG;

if (strcmp(optarg, "utf-8") == 0)

options |= MPARSE_UTF8;

else if (strcmp(optarg, "iso-8859-1") == 0)

options |= MPARSE_LATIN1;

else if (strcmp(optarg, "us-ascii") != 0) {

mandoc_msg(MANDOCERR_BADARG_BAD, 0, 0,

"-K %s", optarg);

return mandoc_msg_getrc();

}

break;

case 'k':

search.argmode = ARG_EXPR;

Line 257 main(int argc, char *argv[])

Line 266 main(int argc, char *argv[])

search.sec = optarg;

break;

case 'T':

if ( ! toptions(&curp, optarg))

if (strcmp(optarg, "ascii") == 0)

return (int)MANDOCLEVEL_BADARG;

curp.outtype = OUTT_ASCII;

else if (strcmp(optarg, "lint") == 0) {

curp.outtype = OUTT_LINT;

mandoc_msg_setoutfile(stdout);

mandoc_msg_setmin(MANDOCERR_BASE);

} else if (strcmp(optarg, "tree") == 0)

curp.outtype = OUTT_TREE;

else if (strcmp(optarg, "man") == 0)

curp.outtype = OUTT_MAN;

else if (strcmp(optarg, "html") == 0)

curp.outtype = OUTT_HTML;

else if (strcmp(optarg, "markdown") == 0)

curp.outtype = OUTT_MARKDOWN;

else if (strcmp(optarg, "utf8") == 0)

curp.outtype = OUTT_UTF8;

else if (strcmp(optarg, "locale") == 0)

curp.outtype = OUTT_LOCALE;

else if (strcmp(optarg, "ps") == 0)

curp.outtype = OUTT_PS;

else if (strcmp(optarg, "pdf") == 0)

curp.outtype = OUTT_PDF;

else {

mandoc_msg(MANDOCERR_BADARG_BAD, 0, 0,

"-T %s", optarg);

return mandoc_msg_getrc();

}

break;

case 'W':

if ( ! woptions(&curp, optarg))

if (woptions(&curp, optarg) == -1)

return (int)MANDOCLEVEL_BADARG;

return mandoc_msg_getrc();

break;

case 'w':

outmode = OUTMODE_FLN;

Line 298 main(int argc, char *argv[])

Line 332 main(int argc, char *argv[])

search.outkey = oarg;

else {

while (oarg != NULL) {

thisarg = oarg;

if (manconf_output(&conf.output,

strsep(&oarg, ","), 0) == 0)

strsep(&oarg, ","), 0) == -1)

continue;

return mandoc_msg_getrc();

warnx("-O %s: Bad argument", thisarg);

return (int)MANDOCLEVEL_BADARG;

}

if (curp.outtype != OUTT_TREE || !curp.outopts->noval)

options |= MPARSE_VALIDATE;

if (outmode == OUTMODE_FLN ||

outmode == OUTMODE_LST ||

!isatty(STDOUT_FILENO))

Line 324 main(int argc, char *argv[])

Line 358 main(int argc, char *argv[])

}

#if HAVE_PLEDGE

if (!use_pager)

if (use_pager == 0) {

if (pledge("stdio rpath", NULL) == -1)

if (pledge("stdio rpath", NULL) == -1) {

err((int)MANDOCLEVEL_SYSERR, "pledge");

mandoc_msg(MANDOCERR_PLEDGE, 0, 0,

"%s", strerror(errno));

return mandoc_msg_getrc();

}

#endif

/* Parse arguments. */

Line 351 main(int argc, char *argv[])

Line 389 main(int argc, char *argv[])

} else if (argc > 1 &&

((uc = (unsigned char *)argv[0]) != NULL) &&

((isdigit(uc[0]) && (uc[1] == '\0' ||

(isalpha(uc[1]) && uc[2] == '\0'))) ||

isalpha(uc[1]))) ||

(uc[0] == 'n' && uc[1] == '\0'))) {

search.sec = (char *)uc;

argv++;

Line 365 main(int argc, char *argv[])

Line 403 main(int argc, char *argv[])

#endif

}

* Use the first argument for -O tag in addition to

* using it as a search term for man(1) or apropos(1).

if (conf.output.tag != NULL && *conf.output.tag == '\0') {

tagarg = argc > 0 && search.argmode == ARG_EXPR ?

strchr(*argv, '=') : NULL;

conf.output.tag = tagarg == NULL ? *argv : tagarg + 1;

}

/* man(1), whatis(1), apropos(1) */

if (search.argmode != ARG_FILE) {

Line 380 main(int argc, char *argv[])

Line 429 main(int argc, char *argv[])

usage(search.argmode);

if (sz == 0 && search.argmode == ARG_NAME)

fs_search(&search, &conf.manpath,

(void)fs_search(&search, &conf.manpath,

argc, argv, &res, &sz);

if (search.argmode == ARG_NAME) {

Line 388 main(int argc, char *argv[])

Line 437 main(int argc, char *argv[])

if (strchr(argv[c], '/') == NULL)

continue;

if (access(argv[c], R_OK) == -1) {

warn("%s", argv[c]);

mandoc_msg_setinfilename(argv[c]);

mandoc_msg(MANDOCERR_BADARG_BAD,

0, 0, "%s", strerror(errno));

mandoc_msg_setinfilename(NULL);

continue;

}

res = mandoc_reallocarray(res,

Line 396 main(int argc, char *argv[])

Line 448 main(int argc, char *argv[])

res[sz].file = mandoc_strdup(argv[c]);

res[sz].names = NULL;

res[sz].output = NULL;

res[sz].bits = 0;

res[sz].ipath = SIZE_MAX;

res[sz].sec = 10;

res[sz].form = FORM_SRC;

Line 418 main(int argc, char *argv[])

Line 471 main(int argc, char *argv[])

if (outmode == OUTMODE_ONE) {

argc = 1;

best_prio = 20;

best_prio = 40;

} else if (outmode == OUTMODE_ALL)

argc = (int)sz;

Line 437 main(int argc, char *argv[])

Line 490 main(int argc, char *argv[])

sec = res[i].file;

sec += strcspn(sec, "123456789");

if (sec[0] == '\0')

continue;

continue; /* No section at all. */

prio = sec_prios[sec[0] - '1'];

if (sec[1] != '/')

if (search.sec != NULL) {

prio += 10;

ssz = strlen(search.sec);

if (strncmp(sec, search.sec, ssz) == 0)

sec += ssz;

} else

sec++; /* Prefer without suffix. */

if (*sec != '/')

prio += 10; /* Wrong dir name. */

if (search.sec != NULL &&

(strlen(sec) <= ssz + 3 ||

strcmp(sec + strlen(sec) - ssz,

search.sec) != 0))

prio += 20; /* Wrong file ext. */

if (prio >= best_prio)

continue;

best_prio = prio;

Line 462 main(int argc, char *argv[])

Line 526 main(int argc, char *argv[])

#if HAVE_PLEDGE

if (use_pager) {

if (pledge("stdio rpath tmppath tty proc exec", NULL) == -1)

if (pledge("stdio rpath tmppath tty proc exec", NULL) == -1) {

err((int)MANDOCLEVEL_SYSERR, "pledge");

mandoc_msg(MANDOCERR_PLEDGE, 0, 0,

"%s", strerror(errno));

return mandoc_msg_getrc();

}

} else {

if (pledge("stdio rpath", NULL) == -1)

if (pledge("stdio rpath", NULL) == -1) {

err((int)MANDOCLEVEL_SYSERR, "pledge");

mandoc_msg(MANDOCERR_PLEDGE, 0, 0,

"%s", strerror(errno));

return mandoc_msg_getrc();

}

#endif

if (search.argmode == ARG_FILE)

if (search.argmode == ARG_FILE && auxpaths != NULL) {

moptions(&options, auxpaths);

if (strcmp(auxpaths, "doc") == 0)

options |= MPARSE_MDOC;

else if (strcmp(auxpaths, "an") == 0)

options |= MPARSE_MAN;

}

mchars_alloc();

curp.mp = mparse_alloc(options, curp.os_e, curp.os_s);

if (argc < 1) {

if (use_pager)

if (use_pager) {

tag_files = tag_init();

if (tag_files != NULL)

tag_files->tagname = conf.output.tag;

}

thisarg = "<stdin>";

mandoc_msg_setinfilename(thisarg);

parse(&curp, STDIN_FILENO, thisarg);

Line 516 main(int argc, char *argv[])

Line 593 main(int argc, char *argv[])

if (use_pager) {

use_pager = 0;

tag_files = tag_init();

if (conf.output.tag != NULL &&

if (tag_files != NULL)

tag_files->tagname == NULL)

tag_files->tagname = conf.output.tag;

tag_files->tagname =

*conf.output.tag != '\0' ?

conf.output.tag : *argv;

}

if (resp == NULL || resp->form == FORM_SRC)

parse(&curp, fd, thisarg);

else

passthrough(resp->file, fd,

passthrough(fd, conf.output.synopsisonly);

conf.output.synopsisonly);

if (ferror(stdout)) {

if (tag_files != NULL) {

warn("%s", tag_files->ofn);

mandoc_msg(MANDOCERR_WRITE, 0, 0,

"%s: %s", tag_files->ofn,

strerror(errno));

tag_unlink();

tag_files = NULL;

} else

warn("stdout");

mandoc_msg(MANDOCERR_WRITE, 0, 0,

mandoc_msg_setrc(MANDOCLEVEL_SYSERR);

"%s", strerror(errno));

break;

}

Line 545 main(int argc, char *argv[])

Line 620 main(int argc, char *argv[])

outdata_alloc(&curp);

terminal_sepline(curp.outdata);

}

} else

mandoc_msg(resp == NULL ? MANDOCERR_BADARG_BAD :

MANDOCERR_OPEN, 0, 0, "%s", strerror(errno));

mandoc_msg_setinfilename(NULL);

if (curp.wstop && mandoc_msg_getrc() != MANDOCLEVEL_OK)

Line 590 out:

Line 668 out:

manconf_free(&conf);

mansearch_free(res, sz);

}

free(curp.os_s);

* When using a pager, finish writing both temporary files,

* fork it, wait for the user to close it, and clean up.

if (tag_files != NULL) {

fclose(stdout);

tag_write();

man_pgid = getpgid(0);

run_pager(tag_files);

tag_files->tcpgid = man_pgid == getpid() ?

getpgid(getppid()) : man_pgid;

pager_pid = 0;

signum = SIGSTOP;

for (;;) {

/* Stop here until moved to the foreground. */

tc_pgid = tcgetpgrp(tag_files->ofd);

if (tc_pgid != man_pgid) {

if (tc_pgid == pager_pid) {

(void)tcsetpgrp(tag_files->ofd,

man_pgid);

if (signum == SIGTTIN)

continue;

} else

tag_files->tcpgid = tc_pgid;

kill(0, signum);

continue;

}

/* Once in the foreground, activate the pager. */

if (pager_pid) {

(void)tcsetpgrp(tag_files->ofd, pager_pid);

kill(pager_pid, SIGCONT);

} else

pager_pid = spawn_pager(tag_files);

/* Wait for the pager to stop or exit. */

while ((pid = waitpid(pager_pid, &status,

WUNTRACED)) == -1 && errno == EINTR)

continue;

if (pid == -1) {

warn("wait");

mandoc_msg_setrc(MANDOCLEVEL_SYSERR);

break;

}

if (!WIFSTOPPED(status))

break;

signum = WSTOPSIG(status);

}

tag_unlink();

}

} else if (curp.outtype != OUTT_LINT &&

(search.argmode == ARG_FILE || sz > 0))

mandoc_msg_summary();

return (int)mandoc_msg_getrc();

}

static void

usage(enum argmode argmode)

{

switch (argmode) {

case ARG_FILE:

fputs("usage: mandoc [-ac] [-I os=name] "

Line 686 fs_lookup(const struct manpaths *paths, size_t ipath,

Line 715 fs_lookup(const struct manpaths *paths, size_t ipath,

const char *sec, const char *arch, const char *name,

struct manpage **res, size_t *ressz)

{

struct stat sb;

glob_t globinfo;

struct manpage *page;

char *file;

Line 695 fs_lookup(const struct manpaths *paths, size_t ipath,

Line 725 fs_lookup(const struct manpaths *paths, size_t ipath,

form = FORM_SRC;

mandoc_asprintf(&file, "%s/man%s/%s.%s",

paths->paths[ipath], sec, name, sec);

if (access(file, R_OK) != -1)

if (stat(file, &sb) != -1)

goto found;

free(file);

mandoc_asprintf(&file, "%s/cat%s/%s.0",

paths->paths[ipath], sec, name);

if (access(file, R_OK) != -1) {

if (stat(file, &sb) != -1) {

form = FORM_CAT;

goto found;

}

Line 710 fs_lookup(const struct manpaths *paths, size_t ipath,

Line 740 fs_lookup(const struct manpaths *paths, size_t ipath,

if (arch != NULL) {

mandoc_asprintf(&file, "%s/man%s/%s/%s.%s",

paths->paths[ipath], sec, arch, name, sec);

if (access(file, R_OK) != -1)

if (stat(file, &sb) != -1)

goto found;

free(file);

}

Line 719 fs_lookup(const struct manpaths *paths, size_t ipath,

Line 749 fs_lookup(const struct manpaths *paths, size_t ipath,

paths->paths[ipath], sec, name);

globres = glob(file, 0, NULL, &globinfo);

if (globres != 0 && globres != GLOB_NOMATCH)

warn("%s: glob", file);

mandoc_msg(MANDOCERR_GLOB, 0, 0,

"%s: %s", file, strerror(errno));

free(file);

if (globres == 0)

file = mandoc_strdup(*globinfo.gl_pathv);

globfree(&globinfo);

if (globres == 0)

if (globres == 0) {

goto found;

if (stat(file, &sb) != -1)

goto found;

free(file);

}

if (res != NULL || ipath + 1 != paths->sz)

return 0;

return -1;

mandoc_asprintf(&file, "%s.%s", name, sec);

globres = access(file, R_OK);

globres = stat(file, &sb);

free(file);

return globres != -1;

return globres;

found:

warnx("outdated mandoc.db lacks %s(%s) entry, run %s %s",

name, sec, BINM_MAKEWHATIS, paths->paths[ipath]);

if (res == NULL) {

free(file);

return 1;

return 0;

}

*res = mandoc_reallocarray(*res, ++*ressz, sizeof(struct manpage));

*res = mandoc_reallocarray(*res, ++*ressz, sizeof(**res));

page = *res + (*ressz - 1);

page->file = file;

page->names = NULL;

page->output = NULL;

page->bits = NAME_FILE & NAME_MASK;

page->ipath = ipath;

page->sec = (*sec >= '1' && *sec <= '9') ? *sec - '1' + 1 : 10;

page->form = form;

return 1;

return 0;

}

static int

Line 771 fs_search(const struct mansearch *cfg, const struct ma

Line 806 fs_search(const struct mansearch *cfg, const struct ma

for (ipath = 0; ipath < paths->sz; ipath++) {

if (cfg->sec != NULL) {

if (fs_lookup(paths, ipath, cfg->sec,

cfg->arch, *argv, res, ressz) &&

cfg->arch, *argv, res, ressz) != -1 &&

cfg->firstmatch)

return 1;

return 0;

} else for (isec = 0; isec < nsec; isec++)

if (fs_lookup(paths, ipath, sections[isec],

cfg->arch, *argv, res, ressz) &&

cfg->arch, *argv, res, ressz) != -1 &&

cfg->firstmatch)

return 1;

return 0;

}

if (res != NULL && *ressz == lastsz &&

strchr(*argv, '/') == NULL) {

if (cfg->sec == NULL)

if (cfg->arch != NULL &&

arch_valid(cfg->arch, OSENUM) == 0)

warnx("Unknown architecture \"%s\".",

cfg->arch);

else if (cfg->sec == NULL)

warnx("No entry for %s in the manual.",

*argv);

else

Line 793 fs_search(const struct mansearch *cfg, const struct ma

Line 832 fs_search(const struct mansearch *cfg, const struct ma

argv++;

argc--;

}

return 0;

return -1;

}

static void

parse(struct curparse *curp, int fd, const char *file)

{

struct roff_man *man;

struct roff_meta *meta;

/* Begin by parsing the file itself. */

Line 820 parse(struct curparse *curp, int fd, const char *file)

Line 859 parse(struct curparse *curp, int fd, const char *file)

if (curp->outdata == NULL)

outdata_alloc(curp);

else if (curp->outtype == OUTT_HTML)

html_reset(curp);

mparse_result(curp->mp, &man, NULL);

mandoc_xr_reset();

meta = mparse_result(curp->mp);

/* Execute the out device, if it exists. */

if (man == NULL)

if (meta->macroset == MACROSET_MDOC) {

return;

mandoc_xr_reset();

if (man->macroset == MACROSET_MDOC) {

if (curp->outtype != OUTT_TREE || !curp->outopts->noval)

mdoc_validate(man);

switch (curp->outtype) {

case OUTT_HTML:

html_mdoc(curp->outdata, man);

html_mdoc(curp->outdata, meta);

break;

case OUTT_TREE:

tree_mdoc(curp->outdata, man);

tree_mdoc(curp->outdata, meta);

break;

case OUTT_MAN:

man_mdoc(curp->outdata, man);

man_mdoc(curp->outdata, meta);

break;

case OUTT_PDF:

case OUTT_ASCII:

case OUTT_UTF8:

case OUTT_LOCALE:

case OUTT_PS:

terminal_mdoc(curp->outdata, man);

terminal_mdoc(curp->outdata, meta);

break;

case OUTT_MARKDOWN:

markdown_mdoc(curp->outdata, man);

markdown_mdoc(curp->outdata, meta);

break;

default:

break;

}

if (man->macroset == MACROSET_MAN) {

if (meta->macroset == MACROSET_MAN) {

if (curp->outtype != OUTT_TREE || !curp->outopts->noval)

man_validate(man);

switch (curp->outtype) {

case OUTT_HTML:

html_man(curp->outdata, man);

html_man(curp->outdata, meta);

break;

case OUTT_TREE:

tree_man(curp->outdata, man);

tree_man(curp->outdata, meta);

break;

case OUTT_MAN:

mparse_copy(curp->mp);

Line 873 parse(struct curparse *curp, int fd, const char *file)

Line 908 parse(struct curparse *curp, int fd, const char *file)

case OUTT_UTF8:

case OUTT_LOCALE:

case OUTT_PS:

terminal_man(curp->outdata, man);

terminal_man(curp->outdata, meta);

break;

default:

break;

Line 889 check_xr(void)

Line 924 check_xr(void)

static struct manpaths paths;

struct mansearch search;

struct mandoc_xr *xr;

char *cp;

size_t sz;

if (paths.sz == 0)

Line 905 check_xr(void)

Line 939 check_xr(void)

search.firstmatch = 1;

if (mansearch(&search, &paths, 1, &xr->name, NULL, &sz))

continue;

if (fs_search(&search, &paths, 1, &xr->name, NULL, &sz))

if (fs_search(&search, &paths, 1, &xr->name, NULL, &sz) != -1)

continue;

if (xr->count == 1)

mandoc_asprintf(&cp, "Xr %s %s", xr->name, xr->sec);

mandoc_msg(MANDOCERR_XR_BAD, xr->line,

xr->pos + 1, "Xr %s %s", xr->name, xr->sec);

else

mandoc_asprintf(&cp, "Xr %s %s (%d times)",

mandoc_msg(MANDOCERR_XR_BAD, xr->line,

xr->pos + 1, "Xr %s %s (%d times)",

xr->name, xr->sec, xr->count);

mandoc_msg(MANDOCERR_XR_BAD, NULL, xr->line, xr->pos + 1, cp);

free(cp);

}

Line 945 outdata_alloc(struct curparse *curp)

Line 979 outdata_alloc(struct curparse *curp)

}

static void

passthrough(const char *file, int fd, int synopsis_only)

passthrough(int fd, int synopsis_only)

{

const char synb[] = "S\bSY\bYN\bNO\bOP\bPS\bSI\bIS\bS";

const char synr[] = "SYNOPSIS";

FILE *stream;

const char *syscall;

char *line, *cp;

size_t linesz;

ssize_t len, written;

int print;

int lno, print;

stream = NULL;

line = NULL;

linesz = 0;

if (fflush(stdout) == EOF) {

syscall = "fflush";

mandoc_msg(MANDOCERR_FFLUSH, 0, 0, "%s", strerror(errno));

goto fail;

goto done;

}

if ((stream = fdopen(fd, "r")) == NULL) {

close(fd);

syscall = "fdopen";

mandoc_msg(MANDOCERR_FDOPEN, 0, 0, "%s", strerror(errno));

goto fail;

goto done;

}

print = 0;

lno = print = 0;

while ((len = getline(&line, &linesz, stream)) != -1) {

lno++;

cp = line;

if (synopsis_only) {

if (print) {

Line 990 passthrough(const char *file, int fd, int synopsis_onl

Line 1024 passthrough(const char *file, int fd, int synopsis_onl

}

for (; len > 0; len -= written) {

if ((written = write(STDOUT_FILENO, cp, len)) != -1)

if ((written = write(STDOUT_FILENO, cp, len)) == -1) {

continue;

mandoc_msg(MANDOCERR_WRITE, 0, 0,

fclose(stream);

"%s", strerror(errno));

syscall = "write";

goto done;

goto fail;

}

if (ferror(stream))

mandoc_msg(MANDOCERR_GETLINE, lno, 0, "%s", strerror(errno));

if (ferror(stream)) {

fclose(stream);

syscall = "getline";

goto fail;

}

done:

free(line);

fclose(stream);

if (stream != NULL)

return;

fclose(stream);

fail:

free(line);

warn("%s: SYSERR: %s", file, syscall);

mandoc_msg_setrc(MANDOCLEVEL_SYSERR);

}

static int

koptions(int *options, char *arg)

{

if ( ! strcmp(arg, "utf-8")) {

*options |= MPARSE_UTF8;

*options &= ~MPARSE_LATIN1;

} else if ( ! strcmp(arg, "iso-8859-1")) {

*options |= MPARSE_LATIN1;

*options &= ~MPARSE_UTF8;

} else if ( ! strcmp(arg, "us-ascii")) {

*options &= ~(MPARSE_UTF8 | MPARSE_LATIN1);

} else {

warnx("-K %s: Bad argument", arg);

return 0;

}

return 1;

}

static void

moptions(int *options, char *arg)

{

if (arg == NULL)

return;

if (strcmp(arg, "doc") == 0)

*options |= MPARSE_MDOC;

else if (strcmp(arg, "an") == 0)

*options |= MPARSE_MAN;

}

static int

toptions(struct curparse *curp, char *arg)

{

if (0 == strcmp(arg, "ascii"))

curp->outtype = OUTT_ASCII;

else if (0 == strcmp(arg, "lint")) {

curp->outtype = OUTT_LINT;

mandoc_msg_setoutfile(stdout);

mandoc_msg_setmin(MANDOCERR_BASE);

} else if (0 == strcmp(arg, "tree"))

curp->outtype = OUTT_TREE;

else if (0 == strcmp(arg, "man"))

curp->outtype = OUTT_MAN;

else if (0 == strcmp(arg, "html"))

curp->outtype = OUTT_HTML;

else if (0 == strcmp(arg, "markdown"))

curp->outtype = OUTT_MARKDOWN;

else if (0 == strcmp(arg, "utf8"))

curp->outtype = OUTT_UTF8;

else if (0 == strcmp(arg, "locale"))

curp->outtype = OUTT_LOCALE;

else if (0 == strcmp(arg, "ps"))

curp->outtype = OUTT_PS;

else if (0 == strcmp(arg, "pdf"))

curp->outtype = OUTT_PDF;

else {

warnx("-T %s: Bad argument", arg);

return 0;

}

return 1;

}

static int

woptions(struct curparse *curp, char *arg)

{

char *v, *o;

Line 1121 woptions(struct curparse *curp, char *arg)

Line 1081 woptions(struct curparse *curp, char *arg)

mandoc_msg_setmin(MANDOCERR_UNSUPP);

break;

case 7:

mandoc_msg_setmin(MANDOCERR_MAX);

mandoc_msg_setmin(MANDOCERR_BADARG);

break;

case 8:

mandoc_msg_setmin(MANDOCERR_BASE);

Line 1132 woptions(struct curparse *curp, char *arg)

Line 1092 woptions(struct curparse *curp, char *arg)

curp->os_e = MANDOC_OS_NETBSD;

break;

default:

warnx("-W %s: Bad argument", o);

mandoc_msg(MANDOCERR_BADARG_BAD, 0, 0, "-W %s", o);

return 0;

return -1;

}

return 1;

return 0;

}

* Wait until moved to the foreground,

* then fork the pager and wait for the user to close it.

static void

run_pager(struct tag_files *tag_files)

{

int signum, status;

pid_t man_pgid, tc_pgid;

pid_t pager_pid, wait_pid;

man_pgid = getpgid(0);

tag_files->tcpgid = man_pgid == getpid() ? getpgid(getppid()) :

man_pgid;

pager_pid = 0;

signum = SIGSTOP;

for (;;) {

/* Stop here until moved to the foreground. */

tc_pgid = tcgetpgrp(tag_files->ofd);

if (tc_pgid != man_pgid) {

if (tc_pgid == pager_pid) {

(void)tcsetpgrp(tag_files->ofd, man_pgid);

if (signum == SIGTTIN)

continue;

} else

tag_files->tcpgid = tc_pgid;

kill(0, signum);

continue;

}

/* Once in the foreground, activate the pager. */

if (pager_pid) {

(void)tcsetpgrp(tag_files->ofd, pager_pid);

kill(pager_pid, SIGCONT);

} else

pager_pid = spawn_pager(tag_files);

/* Wait for the pager to stop or exit. */

while ((wait_pid = waitpid(pager_pid, &status,

WUNTRACED)) == -1 && errno == EINTR)

continue;

if (wait_pid == -1) {

mandoc_msg(MANDOCERR_WAIT, 0, 0,

"%s", strerror(errno));

break;

}

if (!WIFSTOPPED(status))

break;

signum = WSTOPSIG(status);

}

static pid_t

spawn_pager(struct tag_files *tag_files)

{

Line 1147 spawn_pager(struct tag_files *tag_files)

Line 1165 spawn_pager(struct tag_files *tag_files)

char *argv[MAX_PAGER_ARGS];

const char *pager;

char *cp;

#if HAVE_LESS_T

size_t cmdlen;

#endif

int argc, use_ofn;

pid_t pager_pid;

Line 1179 spawn_pager(struct tag_files *tag_files)

Line 1199 spawn_pager(struct tag_files *tag_files)

/* For less(1), use the tag file. */

use_ofn = 1;

if ((cmdlen = strlen(argv[0])) >= 4) {

#if HAVE_LESS_T

if (*tag_files->tfn != '\0' && (cmdlen = strlen(argv[0])) >= 4) {

cp = argv[0] + cmdlen - 4;

if (strcmp(cp, "less") == 0) {

argv[argc++] = mandoc_strdup("-T");

Line 1191 spawn_pager(struct tag_files *tag_files)

Line 1212 spawn_pager(struct tag_files *tag_files)

}

#endif

if (use_ofn)

argv[argc++] = tag_files->ofn;

argv[argc] = NULL;

switch (pager_pid = fork()) {

case -1:

err((int)MANDOCLEVEL_SYSERR, "fork");

mandoc_msg(MANDOCERR_FORK, 0, 0, "%s", strerror(errno));

exit(mandoc_msg_getrc());

case 0:

break;

default:

(void)setpgid(pager_pid, 0);

(void)tcsetpgrp(tag_files->ofd, pager_pid);

#if HAVE_PLEDGE

if (pledge("stdio rpath tmppath tty proc", NULL) == -1)

if (pledge("stdio rpath tmppath tty proc", NULL) == -1) {

err((int)MANDOCLEVEL_SYSERR, "pledge");

mandoc_msg(MANDOCERR_PLEDGE, 0, 0,

"%s", strerror(errno));

exit(mandoc_msg_getrc());

}

#endif

tag_files->pager_pid = pager_pid;

return pager_pid;

Line 1213 spawn_pager(struct tag_files *tag_files)

Line 1239 spawn_pager(struct tag_files *tag_files)

/* The child process becomes the pager. */

if (dup2(tag_files->ofd, STDOUT_FILENO) == -1)

if (dup2(tag_files->ofd, STDOUT_FILENO) == -1) {

err((int)MANDOCLEVEL_SYSERR, "pager stdout");

mandoc_msg(MANDOCERR_DUP, 0, 0, "%s", strerror(errno));

_exit(mandoc_msg_getrc());

}

close(tag_files->ofd);

assert(tag_files->tfd == -1);

Line 1224 spawn_pager(struct tag_files *tag_files)

Line 1252 spawn_pager(struct tag_files *tag_files)

nanosleep(&timeout, NULL);

execvp(argv[0], argv);

err((int)MANDOCLEVEL_SYSERR, "exec %s", argv[0]);

mandoc_msg(MANDOCERR_EXEC, 0, 0, "%s: %s", argv[0], strerror(errno));

_exit(mandoc_msg_getrc());

}

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